Home / 7,431.52-11,164.56-4,355.68

Finding the Fourth Proportional to 7,431.52, 11,164.56 and 4,355.68

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Solution

The fourth proportional to 7,431.52, 11,164.56 and 4,355.68 is: 6,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.52 : 11,164.56 = 4,355.68 : x
  2. Step 2: Convert to fraction form
    7,431.52/11,164.56 = 4,355.68/x
  3. Step 3: Cross multiply
    7,431.52x = 11,164.56 × 4,355.68
  4. Step 4: Simplify right side
    7,431.52x = 48,629,250.70
  5. Step 5: Solve for x
    x = 48,629,250.70/7,431.52
  6. Step 6: Final answer
    x = 6,543.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.